Conformation of [1-13C,15N]Acetyl-L-carnitine. Rotational-Echo, Double-Resonance Nuclear Magnetic Resonance Spectroscopy
摘要:
The conformation of [1-C-13,N-15]acetyl-L-carnitine is studied by rotational-echo, double-resonance (REDOR) NMR experiments. The REDOR results show that acetyl-L-carnitine adopts an extended molecular conformation in the solid state for both crystalline and lyophilized samples. These findings are in contrast to various X-ray-determined structures of racemic acetylcarnitine showing folded conformations.